(Vancouver, WA) -- A man pleads guilty to hitting and killing a seven-year-old girl on Halloween last year. A judge set Duane Abbott's sentencing for November 20th after he entered his guilty plea in a Vancouver court room yesterday, according to The Columbian. He faces over 17 years behind bars for hitting and killing Cadence Boyer on Northeast 112th Avenue last Halloween. Investigators say Abbott was high on marijuana when he crashed into Cadence, her mother and her friend.